X-ray CT apparatus and method of generating an image
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United States of America Patent
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Dec 29, 2009
Grant Date -
Jan 22, 2009
app pub date -
Jul 15, 2008
filing date -
Jul 18, 2007
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The present invention provides an X-ray CT apparatus for imaging an MD image having a better S/N. The X-ray CT apparatus for taking an image with one of two materials within a subject to be examined being fractionated, acquiring two sets of data corresponding to said two types of X-ray having different energy by scanning using said two types of X-ray, generating a first image based on the two sets of data with the pixel values made by weighted addition of two types of CT values corresponding to the two types of X-ray, generating a second image based on the two sets of data, wherein the other one of the two types of material being fractionated, and generating an image by weighted subtraction of the first image and the second image.
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